|Table of Contents|

Similarity-search based mining for fault mode of liquid rocket engine(PDF)

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]

Issue:
2008年04期
Page:
48-54
Research Field:
测控与试验
Publishing date:

Info

Title:
Similarity-search based mining for fault mode of liquid rocket engine
Author(s):
Yuan Xiaofeng1; Xu Hualong1; Chen Shuhong2; Yang WeiJunl
1 Second Artillery Engineering Institute，Xi'an 710025，China； 2 NO．3 Institute of the Second Artillery Armament Academy，Beijing 1 00085，China
Keywords:
time series; ordinal pattern; similarity search; en舀ne
PACS:
V434
DOI:
-
Abstract:
The method of time series similarity matching(TSSM)is introduced in the fault mode mining of the liquid rocket engine(LRE)．According to the feature of fire—test data，an ordi— nal transformation based algorithm is proposed，which is insensitive to amplitude，time span and noises of the time series．The TSSM experiments on the data of some LRE indicated that it is quite supportive to fault detection and diagnosis．

References:

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Last Update: 1900-01-01